Mark Myungjae Song, MD, PHD
NPI 1326068560ActiveIndividual· Internal Medicine, Nephrology· Los Angeles, CA
Internal Medicine, Nephrology (MD, PHD) in Los Angeles, California, licensed in CA, with an NPI issued in July 2006. Their prescriptions cost Medicare Part D more than their services did: $8,289,856 for 39,058 claims, against $635,880 paid for services in 2024. Boehringer Ingelheim Pharmaceuticals, Inc. was the largest of 19 companies reporting payments in 2025, $2,614 in all, mostly food and beverage.
Overview
| NPI | 1326068560 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, PHD |
| Sole proprietor | No |
| NPI issued | Jul 20, 2006 |
| Last updated in NPPES | Dec 1, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | A49785 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (CA); Practitioner - Nephrology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 695 |
|---|---|
| Services billed | 7,412 across 39 procedure codes |
| Paid by Medicare | $635,880 |
Part D prescriptions in 2024
| Prescriptions (claims) | 39,058 · 72,043 30-day fills |
|---|---|
| Patients | 1,686 |
| Total drug cost | $8,289,856 |
| Generic share | 74% of claims |
Education and affiliations
| Graduation year | 1984 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Other facilities
- Davita Bastanchury DialysisDialysis facility · Fullerton, CA
- Davita Cerritos DialysisDialysis facility · Cerritos, CA
- Davita Wilshire Dialysis CenterDialysis facility · Los Angeles, CA
- Accentcare UCLA Health, LLCHome health agency · West Hills, CA
- Ace Home Health, Inc.Home health agency · Los Angeles, CA
- Divine Home Health, IncHome health agency · La Mirada, CA
- Western Home Care, IncHome health agency · Buena Park, CA
- Integrity HospiceHospice · Buena Park, CA
Industry payments (Open Payments)
- 2025$2,614 · 114 payments from 19 companies
- 2024$2,963 · 140 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | $457.21 | 21 |
| Astrazeneca Pharmaceuticals LP | $416.89 | 18 |
| Amgen Inc. | $306.91 | 20 |
| Novartis Pharmaceuticals Corporation | $291.46 | 9 |
| Gilead Sciences, Inc. | $254.69 | 11 |
What the 2025 payments were for
- Food and Beverage$2,614 · 114 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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